david.venhoff/QEMU-Nyx-fork
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

sun4m_iommu: remove legacy sparc_iommu_memory_rw() function

Browse Source 
With the switch to the IOMMU memory region and DMA API, this is no longer
required.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
This commit is contained in:
Mark Cave-Ayland 2017-10-27 13:09:03 +01:00
parent c413e9a426
commit 3cc71c7992
2 changed files with 0 additions and 49 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

33
hw/dma/sun4m_iommu.c
View File

@ -321,39 +321,6 @@ static IOMMUTLBEntry sun4m_translate_iommu(IOMMUMemoryRegion *iommu,
return ret;
}
void sparc_iommu_memory_rw(void *opaque, hwaddr addr,
uint8_t *buf, int len, int is_write)
{
int l;
uint32_t flags;
hwaddr page, phys_addr;
while (len > 0) {
page = addr & IOMMU_PAGE_MASK;
l = (page + IOMMU_PAGE_SIZE) - addr;
if (l > len)
l = len;
flags = iommu_page_get_flags(opaque, page);
if (!(flags & IOPTE_VALID)) {
iommu_bad_addr(opaque, page, is_write);
return;
}
phys_addr = iommu_translate_pa(addr, flags);
if (is_write) {
if (!(flags & IOPTE_WRITE)) {
iommu_bad_addr(opaque, page, is_write);
return;
}
cpu_physical_memory_write(phys_addr, buf, l);
} else {
cpu_physical_memory_read(phys_addr, buf, l);
}
len -= l;
buf += l;
addr += l;
}
}
static const VMStateDescription vmstate_iommu = {
.name ="iommu",
.version_id = 2,

16
include/hw/sparc/sun4m.h
View File

@ -29,22 +29,6 @@ typedef struct IOMMUState {
uint32_t version;
} IOMMUState;
void sparc_iommu_memory_rw(void *opaque, hwaddr addr,
uint8_t *buf, int len, int is_write);
static inline void sparc_iommu_memory_read(void *opaque,
hwaddr addr,
uint8_t *buf, int len)
{
sparc_iommu_memory_rw(opaque, addr, buf, len, 0);
}
static inline void sparc_iommu_memory_write(void *opaque,
hwaddr addr,
uint8_t *buf, int len)
{
sparc_iommu_memory_rw(opaque, addr, buf, len, 1);
}
/* sparc32_dma.c */
#include "hw/sparc/sparc32_dma.h"